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Operating Systems HP-UX Sudden application crash in servers Post 303009780 by anaigini45 on Tuesday 19th of December 2017 10:06:00 PM
Old 12-19-2017
Hi,

Thanks all for the tons of replies and suggestions.

Quote:
Possibly the system has run out of network buffer resources. Has the load/number of users been steadily increasing?

Network configurations determine the number of buffers available for network packets (of various different sizes) arriving and departing, and also the maximum number of connections.
Could be possible that the load/number of users steadily increased.
Network configurations in this sense means? Which file?
Maximum connections you mean maximum ssh connections allowed? I believe it is still at the system default which is 60.
A week or 2 earlier, there were few occurrences of where users were not able to login into the server due to too many ssh connections from one user which had root (0) privilege.

Quote:
You need to tell us all what hardware this is, what O/S you are running and which version. Give us a clue!!
Machine model : HP RX7640 ia64
OS version : HPUX B11.23
CPU : 4 Physical, 8 Core
Memory : 128 G

I am not aware of any security scanning devices used in the server.

There was nothing in particular happening in the server at the time of the crash.
 

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SECPANEL(1)						      General Commands Manual						       SECPANEL(1)

NAME
secpanel - a Tcl/Tk front-end to ssh and scp SYNOPSIS
secpanel DESCRIPTION
SecPanel serves as a graphical user interface for managing and running SSH (Secure Shell) and SCP (Secure Copy) connections. Note: SecPanel is not a new implementation of the SecureShell protocol or the ssh software-suite. SecPanel sits on top of SSH software-suites and supports the SSH.com and the OpenSSH-version. You may get information about these programs at http://www.ssh.com respectively at http://www.openssh.com. SecPanel is written entirely in pure Tcl/Tk and does not need any extensions but it requires Version 8.x of Tcl and Tk. SecPanel is free software and is released under the conditions of the GNU General Public License. See the file COPYING and notes in the source code for details. Features Saves and manages profiles of different SecureShell connections. Gives an ftpclient-like graphical interface/file listing for launching SCP-transfers. Editing of profiles mainly by mouse-clicking. Gives list of profiles to connect to. One list for default connections using a default profile and another list for managing special connections e.g. port-forwarding setups for reading mail. Management of the ssh-agent. Support for generating and distributing keys for public key authentication. Planned Features Support for the SSH2 protocol related options, configurations and special features of SSH.com's and OpenSSH's suites. AUTHOR
Steffen Leich <secpanel@pingx.net> SEE ALSO
ssh(1), scp(1), ssh-askpass(1), ssh-agent(1) Debian Project 2002-06-30 SECPANEL(1)
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